#include <stdio.h>

int test(int left,int right)
{
    //int flag = 1;
    int flag = 0;
    int sum = 0;
    for(int i = left;i <= right;i++ )
    {
        sum += i;
    }
    return sum * flag ;
}


int main()
{
    int left = 1;
    int right = 100;
    int ret = test(left,right);
    printf("1-[100]: %d\n",ret);
    return 0;
}

